20585875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{4451}}^1$

素因数の和:4503

約数の個数: 16

約数和(自身を含む): 26391456

約数和(自身を除く): 5805581

約数列:

[1, 5, 25, 37, 125, 185, 925, 4451, 4625, 22255, 111275, 164687, 556375, 823435, 4117175, 20585875]

約数ペア:

[(1, 20585875), (5, 4117175), (25, 823435), (37, 556375), (125, 164687), (185, 111275), (925, 22255), (4451, 4625)]